Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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UM1985-08-OH:Fe from
Mount Brockman, Ashburton Shire, Western Australia, Australia


Locality type:Mountain
Classification
Species:'UM1985-08-OH:Fe' (not an IMA approved species)
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view UM1985-08-OH:Fe data
Locality Data:Click here to view Mount Brockman, Ashburton Shire, Western Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:974265
Long-form Identifier:1:3:974265:9
GUID (UUID V4):0
References
Ostwald, J. (1985) An occurrence of ε-FeOOH in a black shale. Mineralogical Magazine, 49 (350) 139-140 doi:10.1180/minmag.1985.049.350.23
 
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